The Dubuque County Treasurer's office, located in the courthouse, is open for walk in customers.

Appointments are still available for those customers who want to avoid waiting in line, you can make an appointment by clicking here.  You must arrive prior to 4:00pm for a title transfer.

The Dubuque County Treasurer's office has a satellite office located in Dyersville, Iowa.  This office operates by appointment only, Tuesday through Thursday.  If you would like to schedule an appointment, please click here.

• Motor vehicle registration is due annually.  Your registration month can be changed once through the life of ownership (i.e. vehicles cannot be renewed six months at a time).
• Courtesy registration renewal notices go out the month before registration is due. 
• There is a three-month window to renew; payments can be made the month before, the month of or the month after your registration is due without being penalized if driving in Iowa.
• The following vehicles NOT allowed to renew online include:
  • IRP (prorate),
  • Firefighter vehicles due to the annual certification,  
  • Personalized plates that have been expired for more than 30 days, 
  • Customers with outstanding debts.

Renew your vehicle tags online www.iowatreasurers.org with an e-Check for .25 cents (less than a postage stamp) or a debit/credit card for 2.25% of the total due.

If renewing online, you must have your PIN. Your PIN is located on your renewal notice. If you do not have this renewal notice, please call or email our office. NOTE: This pin is specific to you and should not change, therefore the same PIN can be used annually.

Payment Methods

• In office with cash, check or card (cards accepted for an additional fee), 
  • Accepted credit cards: MasterCard, Visa, Discover
• Mail (if at the end of the month, mail must be postmarked to not incur penalties)
• Online through iowatreasurers.org

Checks should be made out to the Dubuque County Treasurer